Relay ultramarathons in Utah, United States

Flat 2-mile loops on the Bonneville Salt Flats from sunset to sunrise, overnight relay or solo effort under starlit skies

Fixed-time ultramarathon on a paved 1.4-mile loop around Liberty Park, featuring 6-hour, 12-hour, and relay race options

Winter mountain loops on Malans Peak, Ogden City with snow and icy conditions; individual or team endurance formats supporting air quality causes